Calibre catalogue / Small calibre / 2780A
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2780A fitting drawing (PDF)
Dimensions, stem height and hand fitting. Keyed to the base calibre, so sibling references share this drawing. Supplied for casing and fitting purposes only.
Small calibre
2780A Hand-wound mechanical movement
2 Series
2780A has the following listed functions: Centre seconds · Skeletonised. Its documented specifications are 25 mm diameter; 3.5 mm height; 17 jewels; 21,600 vph (3 Hz); 42 h power reserve; finish colour: White.
- —Centre seconds
- —Skeletonised
| Specification | |
|---|---|
| Size | 25 mm (0.984 in) |
| Height | 3.5 mm (0.138 in) |
| Jewels | 17 |
| Frequency | 21,600 vph (3 Hz) |
| Power reserve | 42 h |
| Finish colour | White |
Check dimensions against the fitting drawing before tooling a case.
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How to order
Prices on request. Samples available. Made to order, approximately 8–10 weeks. Finishing by Memorigin optional.
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